Pro wins
Olympia titles
Shows entered
Years active
Direct Record Nittaya Kongthun 3–0 Rena Ajima · 3 shared shows
| Year | Competition | Division | Nittaya Kongthun | Rena Ajima | Winner | Source |
|---|---|---|---|---|---|---|
| 2026 | 2026 Hong Kong Pro | Bikini | 6 | 8 | Nittaya Kongthun | generationiron.com ↗ |
| 2026 | 2026 Asian Pro Championships | Bikini | 2 | 5 | Nittaya Kongthun | contests.npcnewsonline.com ↗ |
| 2026 | 2026 Huanji Harbin China Pro | Bikini | 2 | 5 | Nittaya Kongthun | generationiron.com ↗ |